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摘 要
本文详细介绍了国内自动感应水龙头系统的发展现状，发展中所面临的问题。从产品质量、性能及应用方面看自动感应水龙头和国外的差距；整个行业看国产红外自来水开关所存在的问题以及它的发展趋势。同时也详尽的介绍了此次设计中最重要的组成部件单片机的概念、工作原理及设备总体结构，其中包括MCS-51的发展历程，选型依据。设计了一种基于单片机MCS-51的智能红外自来水开关控制系统，介绍了所选用的8031、8255等单片机。
关键词：自动感应水龙头，单片机，红外
Abstract
This article introduced in detail the domestic infrared running water switching system's development present situation, in the development faces question. From the product quality, the performance and the application aspect look at the electric fan and the overseas disparity; The entire profession looked the domestically produced infrared running water switch exists question as well as its trend of development. Simultaneously also in exhaustive introduction this design most important building block monolithic integrated circuit's concept, principle of work and equipment gross structure, including MCS-51 the development process, shaping basis. Has designed one kind based on the monolithic integrated circuit MCS-51 intelligent infrared running water stop-go control system, introduced selects 8031, 8255 and so on monolithic integrated circuits.
key word: Running water switch, monolithic integrated circuit, infrared